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Cave Biology Data Portal
Subterranean biodiversity of North America and around the globe
AnimaliaArthropodaCrustaceaMalacostracaAmphipodaCrangonyctidaeStygobromus

Stygobromus allegheniensis (Holsinger, 1967)

Taxonomy

Kingdom Animalia
Phylum Arthropoda
Subphylum Crustacea
Class Malacostraca
Order Amphipoda
Family Crangonyctidae
Genus Stygobromus
Species Stygobromus allegheniensis (Holsinger, 1967)

Synonyms

Stygonectes allegheniensis Holsinger, 1967

Description

Diagnostic characters

Ecological class
Stygobiont
Realm
Aquatic
Troglomorphy
Troglomorphic

Distribution

Type locality

Ilion Spring, Herkimer Co. NY

Range

Known from four states across two karst regions.

Continent

North America

Country

United States

States and provinces

Maryland, New York, Pennsylvania, West Virginia

Counties

County-level records have not been compiled for this taxon. Distribution is recorded at state and karst-region level.

Karst regions

Appalachians, Other

Genetics

Molecular resources

MarkerMoleculeSequences LengthExemplar
H3 nuclear 4 328-329 bp OR506362.1
28S nuclear 2 426-834 bp OR530142.1
mitogenome mitochondrial 2 15164-15164 bp NC_046511.1
18S nuclear 1 610-610 bp OR530121.1
COI mitochondrial 1 535-535 bp KY748254.1

10 sequences, retrieved 23 August 2026. Counts change as sequences are deposited. Search GenBank.

Download all 10 sequence records (CSV) Accession, marker, molecule type, length, GenBank definition and a direct link.

Mitogenome
Available

Specimens

Type material

Holotype
USNM 141716 · National Museum of Natural History, Smithsonian Institution
Allotype
USNM 141717 · National Museum of Natural History, Smithsonian Institution
Paratype ×2
National Museum of Natural History, Smithsonian Institution

Collections holding material

InstitutionLots
National Museum of Natural History, Smithsonian Institution 70
Ocean Genome Legacy Center 1
Yale Peabody Museum 1

72 cataloged lots in 3 collections. Compiled from GBIF and not an exhaustive census: many collections are not yet digitised, and holdings are added continually. Search GBIF for specimen records.

Download all 72 specimen records (CSV) Institution, catalog number, type status and preparation. No coordinates.

Conservation and management

NatureServe

G5 Secure

G1G2G3G4G5▲

Global rank last reviewed 21 August 2002.

Subnational ranks

Maryland
S2SS3 Imperiled
New York
SNR Unranked
Pennsylvania
S2S23 Imperiled
West Virginia
S1 Critically Imperiled

State and federal status

Not listed under the U.S. Endangered Species Act

Other resources

Catalogue of Life
538K6
GBIF
2217875
ITIS
93877
iNaturalist
231843
NCBI Taxonomy
1677011

How to cite this account

Stygobromus allegheniensis (Holsinger, 1967). Cave Biology Data Portal, account SP-0974. https://cavebiology.org/species/stygobromus-allegheniensis/ (accessed 3 September 2026).

Data sources and funding are listed in the Acknowledgments.

Spotted something wrong on this page? Report a correction. Accounts are compiled from many sources and corrections from people who know the group are the most useful email we get.

Cave Biology Data Portal

Species accounts, distributions, and conservation status for the subterranean fauna of North America and around the globe, with resources for the cave and karst research community.

Text and data CC BY 4.0. Images all rights reserved unless stated.

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